45 lines
1.2 KiB
Java
45 lines
1.2 KiB
Java
package com.zyd.blog.controller;
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import com.zyd.blog.plugin.kaptcha.Captcha;
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import com.zyd.blog.plugin.kaptcha.GifCaptcha;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.ResponseBody;
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import javax.servlet.http.HttpServletResponse;
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/**
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* 验证码
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*
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* @date 2018/4/24 14:37
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* @since 1.0
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*/
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@Slf4j
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@Controller
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public class KaptchaController {
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@GetMapping("/getKaptcha")
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@ResponseBody
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public void getKaptcha(HttpServletResponse response) {
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try {
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response.setHeader("Pragma", "No-cache");
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response.setHeader("Cache-Control", "no-cache");
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response.setDateHeader("Expires", 0);
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response.setContentType("image/gif");
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/**
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* gif格式动画验证码
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* 宽，高，位数。
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*/
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Captcha captcha = new GifCaptcha(146,33,4);
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//输出
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captcha.out(response.getOutputStream());
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} catch (Exception e) {
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e.printStackTrace();
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log.error("获取验证码异常：{}", e.getMessage());
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}
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}
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}
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